<template>
  <a-layout-header :class="[headerTheme, 'admin-header']">
    <div :class="['admin-header-wide', layout, pageWidth]">
      <router-link
        v-if="isMobile || layout === 'head'"
        to="/"
        :class="['logo', isMobile ? null : 'pc', headerTheme]"
      >
        <img width="32" :src="systemLogo" />
        <h1 v-if="!isMobile">{{ systemName }}</h1>
      </router-link>
      <a-divider v-if="isMobile" type="vertical" />
      <a-icon
        v-if="layout !== 'head'"
        class="trigger"
        :type="collapsed ? 'menu-unfold' : 'menu-fold'"
        @click="toggleCollapse"
      />
      <div
        v-if="layout !== 'side' && !isMobile"
        class="admin-header-menu"
        :style="`width: ${menuWidth};`"
      >
        <i-menu
          class="head-menu"
          :theme="headerTheme"
          mode="horizontal"
          :options="menuData"
          @select="onSelect"
        />
      </div>
      <div :class="['admin-header-right', headerTheme]">
        <a-tooltip class="header-item" title="帮助文档" placement="bottom">
          <a href="http://101.34.115.22:25525/" target="_blank">
            <a-icon type="question-circle-o" />
          </a>
        </a-tooltip>
        <header-avatar class="header-item" />
      </div>
    </div>
  </a-layout-header>
</template>

<script>
import HeaderAvatar from './HeaderAvatar';
import IMenu from '@/components/menu/menu';
import { mapState, mapMutations } from 'vuex';

export default {
  name: 'AdminHeader',
  components: { IMenu, HeaderAvatar },
  props: ['collapsed', 'menuData'],
  data() {
    return {
      langList: [
        { key: 'CN', name: '简体中文', alias: '简体' },
        { key: 'HK', name: '繁體中文', alias: '繁體' },
        { key: 'US', name: 'English', alias: 'English' },
      ],
      searchActive: false,
    };
  },
  computed: {
    ...mapState('setting', [
      'theme',
      'isMobile',
      'layout',
      'systemName',
      'systemLogo',
      'lang',
      'pageWidth',
    ]),
    headerTheme() {
      if (
        this.layout == 'side' &&
        this.theme.mode == 'dark' &&
        !this.isMobile
      ) {
        return 'light';
      }
      return this.theme.mode;
    },
    langAlias() {
      let lang = this.langList.find((item) => item.key == this.lang);
      return lang.alias;
    },
    menuWidth() {
      const { layout, searchActive } = this;
      const headWidth = layout === 'head' ? '100% - 188px' : '100%';
      const extraWidth = searchActive ? '600px' : '400px';
      return `calc(${headWidth} - ${extraWidth})`;
    },
  },
  methods: {
    toggleCollapse() {
      this.$emit('toggleCollapse');
    },
    onSelect(obj) {
      this.$emit('menuSelect', obj);
    },
    ...mapMutations('setting', ['setLang']),
  },
};
</script>

<style lang="less" scoped>
@import 'index';
</style>
